diff options
| author | Peter Ujfalusi <peter.ujfalusi@linux.intel.com> | 2023-04-04 12:21:06 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-04-04 12:42:34 +0100 |
| commit | 28d40e7adfd4108c11c9397c6fe9d9f80fed31e9 (patch) | |
| tree | 18d161fc1246c7b0e3261945d0cee7f92561463b /sound/soc/sof/pcm.c | |
| parent | 59611370f92923089ceb284072d01445164a0191 (diff) | |
ASoC: SOF: Add support for DSPless mode
Via the SOF_DBG_DSPLESS_MODE sof_debug flag the SOF stack can be asked to
not use the DSP for audio.
The core's support for DSPless mode is only going to be enabled if the
platform reports that it can be used without DSP.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Link: https://lore.kernel.org/r/20230404092115.27949-4-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/pcm.c')
| -rw-r--r-- | sound/soc/sof/pcm.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c index d9b4633bba7a..127b68caf9e1 100644 --- a/sound/soc/sof/pcm.c +++ b/sound/soc/sof/pcm.c @@ -330,6 +330,11 @@ static int sof_pcm_trigger(struct snd_soc_component *component, spcm->stream[substream->stream].suspend_ignored = true; return 0; } + + /* On suspend the DMA must be stopped in DSPless mode */ + if (sdev->dspless_mode_selected) + reset_hw_params = true; + fallthrough; case SNDRV_PCM_TRIGGER_STOP: ipc_first = true; @@ -705,7 +710,6 @@ void snd_sof_new_platform_drv(struct snd_sof_dev *sdev) pd->pcm_construct = sof_pcm_new; pd->ignore_machine = drv_name; - pd->be_hw_params_fixup = sof_pcm_dai_link_fixup; pd->be_pcm_base = SOF_BE_PCM_BASE; pd->use_dai_pcm_id = true; pd->topology_name_prefix = "sof"; @@ -714,4 +718,11 @@ void snd_sof_new_platform_drv(struct snd_sof_dev *sdev) pd->module_get_upon_open = 1; pd->legacy_dai_naming = 1; + + /* + * The fixup is only needed when the DSP is in use as with the DSPless + * mode we are directly using the audio interface + */ + if (!sdev->dspless_mode_selected) + pd->be_hw_params_fixup = sof_pcm_dai_link_fixup; } |